OpenTechnical

OT-2026-000083397

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083397) never changes.

Identity and time

Publication numberOT-2026-000083397 · never reused
Internal UUID01a0ae97-c964-7991-bdac-210ae736759b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083397
StatusPUBLIC

Content hashes

Canonical text9e7c8583dc2dd2ac487aec50fbc7901900893ce818f9a4ef6471b9f1fbc572a0
Markdowne99005c035c53f69c6b395f9d95c3c0cc23ac4d4bb5c34e5758830ed0f8b76be
PDF
Publication pageb69a21736612b217184aae3d2aff88f814d8b538be96c214763009b42c14e9c6
Manifestb2e96e97be3c986be18b16fa8467bd2bce3a752093ff9729ba577e6465383715

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIOFyc5LVyHnPNlJB1suX0QG4SOI67frwCRtYfnXq1DDQK9ANxOiC1f+O2OFRIVb9QujPBosEGmfMa9ujVhmNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:51.768547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397
observed b69a21736612b217184aae3d2aff88f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.752602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/manifest.json
observed b2e96e97be3c986be18b16fa8467bd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.734210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/publication.md
observed e99005c035c53f69c6b395f9d95c3c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.714609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/publication.txt
observed 9e7c8583dc2dd2ac487aec50fbc79019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.380054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397
observed b69a21736612b217184aae3d2aff88f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.365018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/manifest.json
observed b2e96e97be3c986be18b16fa8467bd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.349408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/publication.md
observed e99005c035c53f69c6b395f9d95c3c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.335614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083397/publication.txt
observed 9e7c8583dc2dd2ac487aec50fbc79019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.